Lloyd"As we leave the Moon at Taurus-Littrow, we leave as we came, and God willing, as we shall return, with peace and hope for all mankind. God bless the crew of Apollo 17." - Commander Gene Cernan , Apollo 17

There's an interesting quote from Dr. Walt Lauderdale, technical director of the EELV generation and operations division within the Air Force’s Launch Systems Enterprise Directorate at the Space and Missile Systems Center in Los Angeles.

Quote

For those members of our industry and government launch vehicle team, it is our collective responsibility to keep the rocket — which is the only known natural predator of a satellite — at bay.

Lloyd"As we leave the Moon at Taurus-Littrow, we leave as we came, and God willing, as we shall return, with peace and hope for all mankind. God bless the crew of Apollo 17." - Commander Gene Cernan , Apollo 17